Internal reinforcement for hollow structural elements
US6341467B1 · kind B1 · utility
127Cited by
42References
58Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 16, 1999 |
| Grant date | Jan 29, 2002 |
| Priority date | — |
| Expiry date | Nov 16, 2019 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE06B2003/226
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A reinforced beam has an internal I-beam structure with opposed adhesive foam layers. The foam layers are extruded, cut to length and placed on opposed surfaces of the I-beam. When the reinforced beam is heated. The adhesive layers expand to secure the I-beam in place.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.